1) Standards: DIN934, DIN555. DIN439, DIN985 DIN6923 ISO4032 ISO4034 ANSI/ASME B18.2.2 D6; ANSI/ASME B18.2.2 D12 BS916; BS1083 AS1112 JIS1181 2) Grade: 2, 5, 6, 8 3) Material: Carbon Steel 4) Finished: plain, black, zinc, HDG, nickel, phosphate 5) Diameter: M3-M48. 6) Packing: G.W.: 25Kgs/Carton or according to client's favor 7) Delivery: By sea 8) Payment: T/T or L/C At sight We also produce hex bolts, carriage bolts, machine screws, threaded rods and many non-standard fasteners for customers to choose. If you are interested in any size of our products, please feel free to contact with me,. Then I will give you more information of our products, and we can chat for more details.